AU1149600A - Method for measuring the speed of an induction machine - Google Patents
Method for measuring the speed of an induction machineInfo
- Publication number
- AU1149600A AU1149600A AU11496/00A AU1149600A AU1149600A AU 1149600 A AU1149600 A AU 1149600A AU 11496/00 A AU11496/00 A AU 11496/00A AU 1149600 A AU1149600 A AU 1149600A AU 1149600 A AU1149600 A AU 1149600A
- Authority
- AU
- Australia
- Prior art keywords
- stator
- induction machine
- measuring
- speed
- deltat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
- H02P27/026—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Ac Motors In General (AREA)
- Motor And Converter Starters (AREA)
Abstract
In order to measure the rotation speed of an induction machine whose stator is connected via a controllable AC controller to a single-phase or polyphase AC power supply system, the stator is disconnected from the AC power supply system for at least a predetermined time period (DELTAt). This is preferably achieved by opening active devices in the AC controller, with at least one stator voltage, which is induced in the stator by the rotary movement of the rotor, being measured in this time period (DELTAt). The measured values are used to determine the frequency of the stator voltage and to derive the rotation speed of the induction machine.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843133 | 1998-09-21 | ||
DE19843133A DE19843133C2 (en) | 1998-09-21 | 1998-09-21 | Method for measuring the speed of an induction machine and associated device |
PCT/DE1999/002876 WO2000017999A1 (en) | 1998-09-21 | 1999-09-10 | Method for measuring the speed of an induction machine |
Publications (1)
Publication Number | Publication Date |
---|---|
AU1149600A true AU1149600A (en) | 2000-04-10 |
Family
ID=7881636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU11496/00A Abandoned AU1149600A (en) | 1998-09-21 | 1999-09-10 | Method for measuring the speed of an induction machine |
Country Status (9)
Country | Link |
---|---|
US (1) | US6414463B1 (en) |
EP (1) | EP1116322B1 (en) |
AT (1) | ATE222426T1 (en) |
AU (1) | AU1149600A (en) |
BR (1) | BR9914016B1 (en) |
CA (1) | CA2344687A1 (en) |
DE (2) | DE19843133C2 (en) |
ES (1) | ES2183648T3 (en) |
WO (1) | WO2000017999A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10047508C1 (en) * | 2000-09-26 | 2002-03-07 | Ebm Werke Gmbh & Co Kg | Motor revs measuring method determines actual revs from measured rise in winding current during separation of motor from supply voltage via phase-chopping control |
US7345449B2 (en) * | 2005-08-29 | 2008-03-18 | Benshaw, Inc. | Method of rotating a polyphase motor at less than rated speed |
US7193387B1 (en) | 2006-03-14 | 2007-03-20 | Rockwell Automation Technologies, Inc. | System and method for motor speed estimation using hybrid model reference adaptive system |
US7227326B1 (en) * | 2006-04-24 | 2007-06-05 | Rockwell Automation Technologies, Inc. | System and method for transient-based motor speed estimation with transient excitation |
US9160257B2 (en) | 2013-12-23 | 2015-10-13 | Eaton Corporation | Soft starter system and method of operating same |
US10056851B2 (en) | 2014-05-30 | 2018-08-21 | Eaton Corporation | System and method for induction motor speed estimation using a soft starter system |
US10983791B2 (en) * | 2018-08-29 | 2021-04-20 | Aktiebolaget Skf | Processor-implemented system and method for vector analysis to extract a speed of a rotating part of a machine where there is no trigger signal present |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH615538A5 (en) | 1977-03-04 | 1980-01-31 | Bbc Brown Boveri & Cie | |
DE2945952A1 (en) * | 1979-11-14 | 1981-05-27 | Leybold-Heraeus GmbH, 5000 Köln | Turbo-molecular vacuum pump rotor revolution rate determn. - is by counting residual armature magnetism induced coil voltage frequency |
JPS6271496A (en) * | 1985-09-25 | 1987-04-02 | Kansai Electric Power Co Inc:The | Induction generating electric device |
US4746850A (en) * | 1987-02-12 | 1988-05-24 | Westinghouse Electric Corp. | Start-up system for a synchronous motor drive |
CN1021000C (en) * | 1989-01-23 | 1993-05-26 | 西门子公司 | Control fixture for ac-regulating unit |
US5187419A (en) * | 1991-05-06 | 1993-02-16 | Allen-Bradley Company, Inc. | Electric motor control apparatus and method |
FR2714234B1 (en) * | 1993-12-16 | 1996-08-23 | Telemecanique | Power control system for an asynchronous motor. |
US5548197A (en) * | 1994-09-28 | 1996-08-20 | Allen-Bradley Company, Inc. | Method and apparatus for determining motor speed using zero crossing times |
DE4437750C2 (en) * | 1994-10-21 | 2001-03-01 | Mannesmann Vdo Ag | Circuit arrangement for measuring the speed of an electric motor |
DE19503658C2 (en) | 1995-01-24 | 1998-01-22 | Daimler Benz Ag | Method for determining a variable for the bumpless connection of an asynchronous motor operated without a speed sensor to an inverter |
US6034502A (en) * | 1997-06-24 | 2000-03-07 | Asulab S.A. | Method for controlling a continuous rotation miniature motor |
-
1998
- 1998-09-21 DE DE19843133A patent/DE19843133C2/en not_active Expired - Fee Related
-
1999
- 1999-09-10 DE DE59902369T patent/DE59902369D1/en not_active Expired - Lifetime
- 1999-09-10 AU AU11496/00A patent/AU1149600A/en not_active Abandoned
- 1999-09-10 ES ES99969547T patent/ES2183648T3/en not_active Expired - Lifetime
- 1999-09-10 CA CA002344687A patent/CA2344687A1/en not_active Abandoned
- 1999-09-10 EP EP99969547A patent/EP1116322B1/en not_active Expired - Lifetime
- 1999-09-10 US US09/787,713 patent/US6414463B1/en not_active Expired - Lifetime
- 1999-09-10 AT AT99969547T patent/ATE222426T1/en not_active IP Right Cessation
- 1999-09-10 WO PCT/DE1999/002876 patent/WO2000017999A1/en active IP Right Grant
- 1999-09-10 BR BRPI9914016-0A patent/BR9914016B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6414463B1 (en) | 2002-07-02 |
DE19843133C2 (en) | 2001-03-15 |
EP1116322B1 (en) | 2002-08-14 |
DE19843133A1 (en) | 2000-04-20 |
ATE222426T1 (en) | 2002-08-15 |
WO2000017999A1 (en) | 2000-03-30 |
EP1116322A1 (en) | 2001-07-18 |
CA2344687A1 (en) | 2000-03-30 |
BR9914016A (en) | 2001-07-03 |
BR9914016B1 (en) | 2012-10-02 |
DE59902369D1 (en) | 2002-09-19 |
ES2183648T3 (en) | 2003-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |